4) Working alone, Carios can oil the lanes in a bowling alley in five hours. Jenny can oil the same lanes in nine hours. If they worked together how long would it take them?

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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4) Working alone, Carlos can oil the lanes in a
bowling alley in five hours. Jenny can oil
the same lanes in nine hours. If they worked
together how long would it take them?
6) Working together, Jenny and Natalie can
mop a warehouse in 5.14 hours. Had she
done it alone it would have taken Natalie 12
hours. How long would it take Jenny to do
it alone?
Transcribed Image Text:4) Working alone, Carlos can oil the lanes in a bowling alley in five hours. Jenny can oil the same lanes in nine hours. If they worked together how long would it take them? 6) Working together, Jenny and Natalie can mop a warehouse in 5.14 hours. Had she done it alone it would have taken Natalie 12 hours. How long would it take Jenny to do it alone?
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